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Finding the Fourth Proportional to 101,313, 152,014.02 and 53,916.92

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Solution

The fourth proportional to 101,313, 152,014.02 and 53,916.92 is: 80,899.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,313 : 152,014.02 = 53,916.92 : x
  2. Step 2: Convert to fraction form
    101,313/152,014.02 = 53,916.92/x
  3. Step 3: Cross multiply
    101,313x = 152,014.02 × 53,916.92
  4. Step 4: Simplify right side
    101,313x = 8,196,127,755.22
  5. Step 5: Solve for x
    x = 8,196,127,755.22/101,313
  6. Step 6: Final answer
    x = 80,899.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.